# STC SA5503NM

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Transport Aircraft Tech Serv Co, Inc, United States
- Description: Installation of a number two left hand entry door.
- Status date: May 22, 1992
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 4A26](https://openairdocs.org/tcds/4A26)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FC39305B9727FB6985256CC200122994.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA5503NM

## ADs that name it (0)

None.

## Approved models (1)

- The Boeing Company 707-300 ([TCDS 4A26](https://openairdocs.org/tcds/4A26))

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